Plenum size, Plenum size 22, Static pressure (in. wg) – Greenheck Fan QEP User Manual
Page 19
Plenum Size
CFM
OV
STATIC PRESSURE (in. wg)
1
2
3
4
5
6
7
8
9
RPM
#)1
RPM
#)1
RPM
#)1
RPM
#)1
RPM
#)1
RPM
#)1
RPM
#)1
RPM
#)1
RPM
#)1
7000
1229
2.07
1392
3.36
4.73
1678
6.27
7800
2068
1332
1483
3.94
1620
1747
6.99
1874
8.73
8600
2281
1438
3.06
4.61
1707
6.20
1828
7.86
1943
9.63
11.6
9400
2493
3.69
1799
7.07
1913
8.84
2022
10.7
2127
12.6
2232
14.7
10200
4.42
1777
6.17
1892
8.03
2002
9.92
2106
11.9
13.9
2301
16.0
2399
18.3
11000
2917
1768
1880
7.09
1988
9.11
2094
11.1
2193
13.2
2288
2379
2468
19.7
22.1
11800
3129
1880
6.19
8.13
2088
10.3
2187
12.4
2284
14.6
16.8
2463
19.1
21.4
2630
23.8
12600
3342
1993
7.26
2093
9.30
2190
2282
13.8
2376
16.1
2464
20.9
2632
23.3
2711
13400
2106
8.46
2202
10.6
2293
12.9
2383
2470
17.8
20.2
2638
22.7
2717
27.9
14200
3766
2220
9.76
2312
12.1
2397
14.4
2484
17.0
19.6
2649
22.2
2729
24.8
2806
27.4
2881
30.1
3978 2334
11.2
2423
13.6
16.1
18.7
2666
2744
24.2
2822
26.9
2897
29.7
2969
32.6
4190 2448
12.7
2613
18.0
2690
20.7
2767
2841
26.4
2916
29.3
2990
32.2
3060
RPM
807
Inlet Sound Power, L
8J
<E#SFG
-12
XBUUT>
1
2
3
4
6
7
8
L
8J
A
800
100
77
76
69
68
64
48
73
80
77
73
73
67
64
47
70
60
77
73
72
61
48
69
77
74
72
61
48
68
1100
100
81
83
74
74
72
68
80
80
76
80
74
70
67
61
77
60
74
76
82
72
68
77
74
76
82
72
67
76
100
81
81
90
83
80
80
76
68
87
80
82
80
89
80
76
74
69
84
60
81
80
87
78
73
72
67
82
81
80
87
78
73
72
67
82
2100
100
88
88
90
92
89
88
86
82
80
82
87
90
84
79
91
60
83
83
89
90
83
81
76
74
90
83
84
89
91
83
81
76
74
91
100
98
98
100
99
97
92
104
80
89
94
98
96
92
90
86
100
60
90
93
99
90
87
83
100
90
94
96
99
90
87
83
100
RPM
807
Outlet Sound Power, L
8P
<E#SFG
-12
XBUUT>
1
2
3
4
6
7
8
L
8P
A
800
100
74
77
79
74
74
71
61
78
80
72
74
77
72
71
67
76
60
72
76
71
69
74
72
76
71
69
74
1100
100
79
83
87
81
80
79
74
63
86
80
78
79
78
78
68
62
83
60
78
78
82
77
76
73
66
62
81
78
78
82
77
76
73
66
62
81
100
83
87
90
88
86
83
77
94
80
83
92
86
84
82
76
71
90
60
83
91
82
79
74
70
88
83
91
82
79
74
70
88
2100
100
92
93
99
97
92
88
102
80
92
90
91
96
94
91
86
81
98
60
91
92
92
94
91
88
83
80
96
92
92
93
94
91
88
83
80
96
100
99
103
103
106
106
104
102
98
111
80
99
101
100
102
103
101
97
92
107
60
98
102
101
102
101
98
94
89
99
102
101
103
101
98
94
89
Plenum Size 22
QEP Class I
Maximum rpm
QEP Class II
Maximum rpm 2433
QEP Class III
Maximum rpm
QEM
Maximum rpm 2190
Note: Model QEM does not utilize class designations.
QEP Motor on Frame Limit
254T
Minimum Motor Size
1/2 [hp]
Wheel Diameter
22.25
565
[in.]
[mm]
Peak Power
(rpm / 909)
3
(rpm / 1002)
3
[hp]
[kW]
Wheel Outlet Velocity
cfm / 3.77
m
3
/s / 2.22
[ft/min]
[m/s]
Tip Speed
rpm x 5.83
rpm x 0.0296
[ft/min]
[m/s]
% Wide Open Volume (%WOV)
cfm / (rpm x 0.0672)
m
3
/hr / (rpm x 0.114)
[%]
[%]
Imperial data —
Metric data
0
2
4
6
8
10
12
14
16
18
20
0
2
4
6
8
10
12
14
0
5
10
15
20
25
30
35
40
0
5
10
15
20
25
30
35
Volume (cfm x 1000)
3
Volume (m /hr x 1000)
Static Pr
essur
e (in. wg)
rpm
hp
% WOV
Density 0.075 lb/ft
3
Density 1.2 kg/m
3
D
O
N
O
T
S
E
L
E
C
T
T
O
T
H
E
L
E
F
T
O
F
T
H
IS
S
Y
S
T
E
M
C
U
R
V
E
90%
80%
70%
Static Pr
essur
e (Pa x 100)
5
3
1½
1
7½
10
15
20
30
2
40
25
3065
2824
2658
2433
1958
1865
1554
1311
1145
1041
909
2190
19
1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU
'SFFPVUMFU1PXFSSBUJOHT #IQ
EPOPUJODMVEFUSBOTNJTTJPOMPTTFT1FSGPSNBODFSBUJOHTEPOPUJODMVEF
the effects of appurtenances (accessories).
The sound power level ratings shown are in decibels, referred to 10
-12
XBUUTDBMDVMBUFEQFS".$"*OUFSOBUJPOBM4UBOEBSE7BMVFTTIPXOBSFGPSJOMFU-
8J
, L
8J
A
and outlet L
8P
, L
8P
A sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA
International Standard 301. Outlet ratings do not include the effects of duct end correction.
The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L
8J
A and L
8P
A values.